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Configure pins and protocols
a. Click Save > Schedule. The Save Device Properties dialog appears.
b. Select Immediate.
c. Select Schedule Offline.
d. Click Schedule. Digi Connect Sensor+ downloads and applies configuration changes
Enable and configure the Modbus protocol
Modbus is an industrial automation protocol used for sending and receiving digital information across
a single, external RS-485 serial bus.
The Modbus protocol allows Digi Connect Sensor+ to collect remote diagnostic information from a
Modbus-enabled sensor as well as alert a user remotely if the sensor malfunctions. You can configure
Digi Connect Sensor+ to collect remote diagnostic information from up to four Modbus-enabled
sensors.
The Modbus protocol uses the serial pins on the I/O terminal block in Digi Connect Sensor+. The
configuration settings specified in the Modbus Protocol Settings page in Remote Manager must
exactly match the Modbus protocol settings on the external sensor device(s). The configuration
includes a list of variables, which specify the locations on the Modbus device that the Connect Sensor
should read to collect diagnostic information.
You can also choose to enable the Modbus protocol alarm option. This ensures that when an error
occurs with the Modbus-enabled sensor, error information is pushed to Remote Manager without
waiting for the next scheduled push.
You can review diagnostic information from the Modbus-enabled sensor in the Data Services tab in
Remote Manager. For more information about reviewing Modbus information in the data stream, see
Modbus (modb1) data stream
1. Sign in to
Remote
2. Click the arrow next to your user name and choose Open Classic Remote Manager.
3. Click Device Management > Devices tab.
4. Double-click the Digi Connect Sensor+ device you want to configure.
5. Expand the Configuration menu.
5. Click Modbus Protocol Settings.
6. For the Protocol Enable (ena) field, select the On option.
7. Determine whether error information should be pushed immediately. For the Device Status
Alarm Mask (aem) option:
Select the On option if error information should be pushed immediately.
n
Select the Off option if error information should be pushed with the next scheduled
n
push.
Digi Connect Sensor+ User Guide
the next time it connects to Remote Manager.
definitions.
Manager.
Enable and configure the Modbus protocol
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